Sliding-jaw wrench.



No. 763,470. PATENTED JUNE 28, 1904. A. 1). BRB.

SLIDING JAW WRENCH.

APPLICATION FILED ma. 5, 1904.

no MODEL.

N: aullllllll.

JNVENTOR UNITED STATES Patented June 28, 1904.

ALBERT DELTHA EBB, OF HUBBARD, OREGON.

SLIDING-JAW WRENCH.

SPECIFICATION forming part of Letters Patent No. 763,470, dated June 28,1904. Application filed March 5, 1904. Serial No. 196,729. (No model.)

To all whom it may concern:

Be it known that I, ALBERT DELTHA ERB, a citizen of the United States,residing at Hubbard, in the county of Marion and State of Oregon, haveinvented certain new and useful Improvements in Sliding-J aw Wrenches;and I do declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same, reference being hadto the accompanying drawings, and to the letters of reference markedthereon, which form a part of this specification.

This invention relates to new and useful improvements in sliding-jawwrenches; and the object of the invention is to produce a simple andefiicient wrench which may be readily adjusted to engage difierent sizednuts and other objects and securely held in an adjusted position bymeans of a cam-lever which is designed to engage and frictionally hold adog in engagement with teeth upon the shank portion of the movable jaw.

The invention consists, further, in various details of construction andin combinations and arrangements of parts,which will be hereinafterfully described and then specifically defined in the appended claim. v

My invention is illustrated in the accompanying drawings, which, withthe letters of reference marked thereon, form a part of thisapplication, and in which drawings similar letters of reference indicatelike parts in the views, in which Figure 1 is a side elevation of myimproved wrench. Fig. 2 is a rear view of the wrench.

Reference now being had to the details of the drawings by letter, Adesignates a fixed jaw having a shank portion A, and B designates strapsor loops which are made, preferably, integral with the shank portion ofthe jaw A- and through which the shank portion 0 of the sliding jaw C isadapted towork. Secured to the rear end of the shank portion of thefixed jaw is a plate (0, held to said shank portion by means of a platea, and projecting from the plate a is a flexible arm a forming a dogwith teeth E at its free end, which are designed to engage the teeth 6,formed upon the outer longitudinal edge of the shank portion C of thesliding jaw. Projecting from the opposite faces of the shank portion Aof the fixed jaw are two arms D, and between which the shank portion ofthe sliding jaw C has a longitudinal movement. A cam-lever H ispivotally mounted upon a pin H, carried near the ends of the arms D, andis so positioned that when the handle of said cam member is turned inthe position shown in the drawings the teeth at the end of said flexiblearm a may be securely locked to the teeth upon the outer edge of theshank portion C, thereby holding the two jaws in an adjusted position.

In operation when the cam member is thrown away from the flexible arm athe teeth thereon are normally out of engagement with the teeth of theshank portion of the movable jaw, and the latter is free to be moved toadjust the wrench as may be desired, and when the proper adjustment ishad the lever is thrown rearward, so that the cam portion thereof willcontact with said flexible arm and force the teeth carried thereby intoengagement with the teeth on the shank portion C, thereby securelyholding the jaws in adjusted positions. The movement of the shankportion of .the movable jaw is limited in one direction by coming incontact with the end of the plate a, as will be observed by reference tothe drawings.

While I have shown a particular detailed construction of apparatusillustrating my wrench, it will be understood that I may makealterations, if desired, in the detailed construction of the samewithout in any way departing from the spirit of the invention.

Having thus fully described my invention, what I claim as new, anddesire to secure by Letters Patent, is y A sliding-jaw wrench comprisinga jaw A with shank portion A, straps B projecting respectively, fromsaid jaw and shank portion, a jaw C with shank portion passing throughsaid straps, a plate a secured to the edge of the shank portion A andalso to a projection said pin and adapted to bear against said flexiblearm, as set forth. 10

In testimony whereof I hereunto affix my signature in presence of twoWitnesses.

ALBERT DELTIA EBB. \Vitnesses:

W. O. GILMORE, O. L. COLDREN.

